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  Subjects -> ENGINEERING (Total: 2417 journals)
    - CHEMICAL ENGINEERING (207 journals)
    - CIVIL ENGINEERING (202 journals)
    - ELECTRICAL ENGINEERING (111 journals)
    - ENGINEERING (1267 journals)
    - HYDRAULIC ENGINEERING (56 journals)
    - INDUSTRIAL ENGINEERING (76 journals)
    - MECHANICAL ENGINEERING (98 journals)

ENGINEERING (1267 journals)            First | 1 2 3 4 5 6 7 | Last

Showing 1001 - 1200 of 1205 Journals sorted alphabetically
Physics of Fluids     Hybrid Journal   (Followers: 35)
Planning News     Full-text available via subscription  
Plasma Devices and Operations     Hybrid Journal   (Followers: 2)
Plasma Science and Technology     Full-text available via subscription   (Followers: 2)
Plasmonics     Hybrid Journal  
Polar Research     Open Access   (Followers: 2)
Polar Science     Hybrid Journal   (Followers: 3)
Polímeros : Ciência e Tecnologia     Open Access  
Polish Maritime Research     Open Access   (Followers: 3)
Polymer Contents     Full-text available via subscription   (Followers: 7)
Polymer Engineering & Science     Hybrid Journal   (Followers: 16)
Polymer International     Hybrid Journal   (Followers: 4)
Polymer Science Series A     Hybrid Journal   (Followers: 4)
Polymer Science Series B     Hybrid Journal   (Followers: 4)
Polymer Science Series C     Hybrid Journal   (Followers: 4)
Polymer-Plastics Technology and Engineering     Hybrid Journal   (Followers: 5)
Polymers     Open Access   (Followers: 16)
Polymers for Advanced Technologies     Hybrid Journal   (Followers: 3)
Popular Science     Full-text available via subscription   (Followers: 32)
Power Engineer     Hybrid Journal   (Followers: 3)
Power Technology and Engineering     Hybrid Journal   (Followers: 3)
Practical Machinery Management for Process Plants     Full-text available via subscription  
Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management     Full-text available via subscription  
Precision Engineering     Hybrid Journal   (Followers: 34)
Probability in the Engineering and Informational Sciences     Hybrid Journal   (Followers: 1)
Problemy Mechatroniki. Uzbrojenie, lotnictwo, inżynieria bezpieczeństwa / Problems of Mechatronics. Armament, Aviation, Safety Engineering     Open Access   (Followers: 1)
Procedia CIRP     Open Access   (Followers: 3)
Procedia Engineering     Open Access   (Followers: 3)
Procedia IUTAM     Open Access  
Procedia Technology     Open Access  
Proceedings of Engineering and Technology Innovation     Open Access   (Followers: 1)
Proceedings of the IEEE     Hybrid Journal   (Followers: 94)
Proceedings of the Institution of Civil Engineers - Bridge Engineering     Hybrid Journal   (Followers: 8)
Proceedings of the Institution of Civil Engineers - Engineering Sustainability     Hybrid Journal   (Followers: 5)
Proceedings of the Institution of Civil Engineers - Forensic Engineering     Hybrid Journal  
Proceedings of the Institution of Civil Engineers - Geotechnical Engineering     Hybrid Journal   (Followers: 10)
Proceedings of the Institution of Civil Engineers - Ground Improvement     Hybrid Journal   (Followers: 4)
Proceedings of the Institution of Civil Engineers - Management, Procurement and Law     Hybrid Journal   (Followers: 9)
Proceedings of the Institution of Civil Engineers - Maritime Engineering     Hybrid Journal   (Followers: 3)
Proceedings of the Institution of Civil Engineers - Municipal Engineer     Hybrid Journal   (Followers: 2)
Proceedings of the Institution of Civil Engineers - Transport     Hybrid Journal   (Followers: 3)
Proceedings of the Institution of Civil Engineers - Waste and Resource Management     Hybrid Journal   (Followers: 1)
Process Metallurgy     Full-text available via subscription   (Followers: 3)
Process Safety Progress     Hybrid Journal   (Followers: 7)
Process Systems Engineering     Full-text available via subscription   (Followers: 1)
Process Technology Proceedings     Full-text available via subscription  
Processes     Open Access  
Production     Open Access  
Production and Operations Management     Hybrid Journal   (Followers: 17)
Production Engineering     Hybrid Journal   (Followers: 4)
Production Planning & Control: The Management of Operations     Hybrid Journal   (Followers: 10)
Progress in Agricultural Engineering Sciences     Full-text available via subscription   (Followers: 1)
Progress in Computational Fluid Dynamics, An International Journal     Hybrid Journal   (Followers: 7)
Progress in Energy and Combustion Science     Full-text available via subscription   (Followers: 11)
Progress in Nanotechnology and Nanomaterials     Open Access   (Followers: 4)
Progress in Photovoltaics: Research & Applications     Hybrid Journal   (Followers: 6)
Progress in Polymer Science     Full-text available via subscription   (Followers: 37)
Propellants, Explosives, Pyrotechnics     Hybrid Journal   (Followers: 343)
Propulsion and Power Research     Open Access   (Followers: 35)
Puente     Open Access  
Purinergic Signalling     Hybrid Journal   (Followers: 1)
Quaderns d’Història de l’Enginyeria     Open Access  
Quality and Reliability Engineering International     Hybrid Journal   (Followers: 14)
Quality Engineering     Hybrid Journal   (Followers: 10)
Radiochimica Acta     Hybrid Journal   (Followers: 5)
Rapid Prototyping Journal     Hybrid Journal   (Followers: 4)
Rare Metals     Hybrid Journal   (Followers: 2)
Reactive and Functional Polymers     Hybrid Journal   (Followers: 5)
Recent Patents on Engineering     Hybrid Journal   (Followers: 3)
Recent Patents on Nanotechnology     Hybrid Journal   (Followers: 2)
Recherche Transports Sécurité     Hybrid Journal   (Followers: 1)
Redes de Ingeniería     Open Access  
Regional Maritime University Journal     Full-text available via subscription   (Followers: 2)
Regular and Chaotic Dynamics     Hybrid Journal  
Rekayasa     Open Access  
Rem : Revista Escola de Minas     Open Access  
Remote Sensing     Open Access   (Followers: 48)
Remote Sensing Letters     Hybrid Journal   (Followers: 41)
Requirements Engineering     Hybrid Journal   (Followers: 3)
Research Ideas and Outcomes     Open Access   (Followers: 1)
Research in Engineering Design     Hybrid Journal   (Followers: 10)
Research Journal of Nanoscience and Nanotechnology     Open Access   (Followers: 18)
Research Works of Air Force Institute of Technology     Open Access   (Followers: 1)
Resonance     Hybrid Journal   (Followers: 29)
Respuestas     Open Access  
Review of Symbolic Logic     Full-text available via subscription   (Followers: 1)
Reviews in Advanced Sciences and Engineering     Partially Free   (Followers: 1)
Revista AIDIS de Ingeniería y Ciencias Ambientales. Investigación, desarrollo y práctica     Open Access  
Revista Brasileira de Engenharia Agrícola e Ambiental     Open Access   (Followers: 1)
Revista Ciencias e Ingeniería al Día     Open Access  
Revista Cubana de Ingeniería     Open Access  
Revista de Ingeniería     Open Access  
Revista de Ingenieria Sismica     Open Access  
Revista de Investigación, Desarrollo e Innovación     Open Access  
Revista EIA     Open Access   (Followers: 1)
Revista Facultad de Ingeniería     Open Access   (Followers: 1)
Revista Facultad de Ingenieria - Universidad de Tarapaca     Open Access   (Followers: 1)
Revista Facultad de Ingeniería Universidad de Antioquia     Open Access   (Followers: 1)
Revista Fatec Zona Sul : REFAS     Open Access  
Revista Iberoamericana de Automática e Informática Industrial RIAI     Open Access  
Revista Informador Técnico     Open Access   (Followers: 1)
Revista Ingenieria de Construcción     Open Access   (Followers: 1)
Revista Internacional de Métodos Numéricos para Cálculo y Diseño en Ingeniería     Open Access   (Followers: 1)
Revista Logos Ciencia & Tecnología     Open Access   (Followers: 1)
Revista Tecnología en Marcha     Open Access  
Revista UIS Ingenierías     Open Access  
Revue de Métallurgie     Full-text available via subscription  
RUDN Journal of Engineering Researches     Open Access  
Russian Engineering Research     Hybrid Journal  
Russian Journal of Non-Ferrous Metals     Hybrid Journal   (Followers: 24)
Russian Microelectronics     Hybrid Journal   (Followers: 1)
Sadhana     Open Access   (Followers: 9)
Safety Science     Hybrid Journal   (Followers: 38)
Scholedge International Journal of Multidisciplinary & Allied Studies     Open Access   (Followers: 3)
Science & Technique     Open Access  
Science and Education : Scientific Publication of BMSTU     Open Access  
Science and Engineering Ethics     Hybrid Journal   (Followers: 9)
Science and Technology     Open Access   (Followers: 2)
Science and Technology Indonesia     Open Access  
Science China Technological Sciences     Hybrid Journal  
Science in Context     Hybrid Journal   (Followers: 2)
Science Journal of Volgograd State University. Technology and innovations     Open Access  
Science Progress     Full-text available via subscription   (Followers: 3)
Sciences & Technologie B : Sciences de l'ingénieur     Open Access  
Scientia cum Industria     Open Access  
Scientific Drilling     Open Access  
Scientific Journal of Control Engineering     Open Access   (Followers: 2)
Scientific Journal of Pure and Applied Sciences     Open Access   (Followers: 1)
Sealing Technology     Full-text available via subscription   (Followers: 1)
Securitas Vialis     Hybrid Journal  
Security and Communication Networks     Hybrid Journal   (Followers: 2)
Selcuk University Journal of Engineering, Science and Technology     Open Access   (Followers: 2)
Selected Topics in Applied Earth Observations and Remote Sensing, IEEE Journal of     Hybrid Journal   (Followers: 50)
Semiconductors     Hybrid Journal   (Followers: 1)
Semiconductors and Semimetals     Full-text available via subscription   (Followers: 1)
Sensing and Imaging : An International Journal     Hybrid Journal   (Followers: 2)
Sensor Letters     Full-text available via subscription   (Followers: 2)
Sensors     Open Access   (Followers: 20)
Separation and Purification Technology     Hybrid Journal   (Followers: 11)
Services Computing, IEEE Transactions on     Hybrid Journal   (Followers: 4)
Shock and Vibration     Hybrid Journal   (Followers: 14)
SIAM Journal on Applied Dynamical Systems     Hybrid Journal   (Followers: 2)
SIAM Journal on Mathematical Analysis     Hybrid Journal   (Followers: 3)
SIAM Journal on Matrix Analysis and Applications     Hybrid Journal   (Followers: 1)
SIAM Journal on Numerical Analysis     Hybrid Journal   (Followers: 6)
SIAM Journal on Optimization     Hybrid Journal   (Followers: 8)
SIAM Review     Hybrid Journal   (Followers: 6)
SILICON     Hybrid Journal  
Sistemas & Telemática     Open Access   (Followers: 2)
Sleep and Biological Rhythms     Hybrid Journal   (Followers: 6)
Small     Hybrid Journal   (Followers: 12)
Smart Grid     Open Access   (Followers: 1)
Soft Computing     Hybrid Journal   (Followers: 7)
Software Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 74)
Soil Dynamics and Earthquake Engineering     Hybrid Journal   (Followers: 14)
Soldagem & Inspeção     Open Access  
Solid-State Circuits Magazine, IEEE     Hybrid Journal   (Followers: 12)
SourceOCDE Developpement urbain, rural et regional     Full-text available via subscription   (Followers: 1)
SourceOCDE Energie     Full-text available via subscription  
SourceOECD Energy     Full-text available via subscription  
SourceOECD Science and Technology Statistics - SourceOCDE Base de donnees des sciences et de la technologie     Full-text available via subscription  
SourceOECD Transport     Full-text available via subscription   (Followers: 2)
SourceOECD Urban, Rural and Regional Development     Full-text available via subscription  
South African Computer Journal     Full-text available via subscription  
South African Journal of Agricultural Extension     Open Access   (Followers: 4)
South African Journal of Science     Open Access   (Followers: 4)
Sports Engineering     Hybrid Journal   (Followers: 2)
Stahlbau     Hybrid Journal   (Followers: 2)
Steel in Translation     Hybrid Journal  
Steel Research International     Hybrid Journal   (Followers: 25)
Stochastic Analysis and Applications     Hybrid Journal   (Followers: 2)
Stochastic Processes and their Applications     Hybrid Journal   (Followers: 5)
Stochastics and Dynamics     Hybrid Journal  
Strain     Hybrid Journal   (Followers: 2)
Strategic Planning for Energy and the Environment     Hybrid Journal   (Followers: 3)
Studies in Engineering and Technology     Open Access  
Studies in Interface Science     Full-text available via subscription  
Studies in Logic and Practical Reasoning     Full-text available via subscription  
Studies in Surface Science and Catalysis     Full-text available via subscription   (Followers: 1)
Sud-Sciences et Technologies     Open Access  
Superconductor Science and Technology     Hybrid Journal   (Followers: 3)
Surface Engineering     Hybrid Journal   (Followers: 1)
Surface Review and Letters     Hybrid Journal   (Followers: 1)
Surface Science Reports     Full-text available via subscription   (Followers: 20)
Surfaces and Interfaces     Hybrid Journal  
Survey Review     Hybrid Journal   (Followers: 6)
Surveying and Land Information Science     Full-text available via subscription   (Followers: 1)
Surveys in Operations Research and Management Science     Hybrid Journal   (Followers: 3)
Sustainability Science     Hybrid Journal   (Followers: 9)
Sustainability Science and Engineering     Full-text available via subscription   (Followers: 3)
Sustainable Management of Sediment Resources     Full-text available via subscription  
Swiss Journal of Geosciences     Hybrid Journal   (Followers: 1)
Symmetry     Open Access   (Followers: 1)
Synthesis Lectures on Algorithms and Software in Engineering     Full-text available via subscription   (Followers: 3)
Synthesis Lectures on Antennas     Full-text available via subscription   (Followers: 6)
Synthesis Lectures on Biomedical Engineering     Full-text available via subscription  
Synthesis Lectures on Computational Electromagnetics     Full-text available via subscription   (Followers: 4)
Synthesis Lectures on Energy and the Environment: Technology, Science, and Society     Full-text available via subscription   (Followers: 1)
Synthesis Lectures on Engineering     Full-text available via subscription  
Synthesis Lectures on Global Engineering     Full-text available via subscription  

  First | 1 2 3 4 5 6 7 | Last

Journal Cover
Journal of Electronic Testing
Journal Prestige (SJR): 0.191
Citation Impact (citeScore): 1
Number of Followers: 2  
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1573-0727 - ISSN (Online) 0923-8174
Published by Springer-Verlag Homepage  [2350 journals]
  • Editorial
    • Authors: Vishwani D. Agrawal
      Pages: 209 - 209
      PubDate: 2018-06-01
      DOI: 10.1007/s10836-018-5735-8
      Issue No: Vol. 34, No. 3 (2018)
  • Test Technology Newsletter
    • Pages: 211 - 212
      PubDate: 2018-06-01
      DOI: 10.1007/s10836-018-5732-y
      Issue No: Vol. 34, No. 3 (2018)
  • Guest Editorial: Special Issue on Analog, Mixed-Signal, and RF Testing
    • Authors: Ke Huang; Manuel J. Barragan
      Pages: 213 - 214
      PubDate: 2018-06-01
      DOI: 10.1007/s10836-018-5731-z
      Issue No: Vol. 34, No. 3 (2018)
  • A Distortion Shaping Technique to Equalize Intermodulation Distortion
           Performance of Interpolating Arbitrary Waveform Generators in Automated
           Test Equipment
    • Authors: Peter Sarson; Tomonori Yanagida; Shohei Shibuya; Kosuke Machida; Haruo Kobayashi
      Pages: 215 - 232
      Abstract: This paper demonstrates a phase switching algorithm for Interpolating Digital-to-Analog Converter (DAC) based Arbitrary Waveform Generator (AWG) that resides in Automated Test Equipment (ATE) to test semiconductor devices. This confirms a previous exercise that was made by experiment with different Intermodulation Distortion (IMD) suppression techniques and starting phase shifts to suppress IMD tones of the AWG with the interpolating DAC. We show that the poor performance of the AWG can be improved by using the phase switching algorithm over the installed base of a company’s tester platform. It is also shown that the IMD performance of AWGs across a company’s tester installed base can be equalized, and how it can be achieved using the phase switching technique. We describe how the IMD specifications of the instrument are much worse than those actually measured, and by using phase switching, better performance can be achieved than what would be possible under normal conditions. We present how this technique allows the use of a low-cost tester resource to test IMD products of such as communication application ADCs with a higher dynamic range than what was previously possible.
      PubDate: 2018-06-01
      DOI: 10.1007/s10836-017-5700-y
      Issue No: Vol. 34, No. 3 (2018)
  • A Classification Approach for an Accurate Analog/RF BIST Evaluation Based
           on the Process Parameters
    • Authors: Ahcène Bounceur; Samia Djemai; Belkacem Brahmi; Mohand Ouamer Bibi; Reinhardt Euler
      Pages: 321 - 335
      Abstract: Specifications of Radio Frequency (RF) analog integrated circuits have increased strictly as their applications tend to be more complicated and high test cost demanding. This makes them very expensive due to an increased test time and to the use of sophisticated test equipment. Alternative test measures, extracted by means of Built-In Self Test (BIST) techniques, are useful approaches to replace standard specification-based tests. One way to evaluate the efficiency of the CUT measures at the design stage is by estimating the Test Escapes (T E ) and the Yield Loss (Y L ) at ppm level. Unfortunately, an important number of Monte Carlo simulations must be run in order to guarantee their accuracy. For certain types of circuits, this requires many months or even years to generate millions of circuits. To overcome this limitation, we present in this paper a new technique where a small number of simulations is sufficient to reach an important precision. This method is based on a classification using machine learning methods, such as SVM and Neural Networks based classifiers to determine pass/fail regions. The proposed approach requires a few number of simulations only to determine the region separating the process parameters generating good and faulty, or pass and fail circuits. Then only this region is needed to estimate the test metrics without running any additional simulation. The proposed methodology is illustrated for the evaluation of a filter BIST technique.
      PubDate: 2018-06-01
      DOI: 10.1007/s10836-018-5730-0
      Issue No: Vol. 34, No. 3 (2018)
  • Editorial
    • Authors: Vishwani D. Agrawal
      Pages: 105 - 105
      PubDate: 2018-04-01
      DOI: 10.1007/s10836-018-5728-7
      Issue No: Vol. 34, No. 2 (2018)
  • Handling Unknown with Blend of Scan and Scan Compression
    • Authors: Pralhadrao V. Shantagiri; Rohit Kapur
      Pages: 135 - 146
      Abstract: In scan compression, all scannable Flip-Flops are part of internal scan channels connected between Decompressor and Compressor. The capture-X (unknown values in the test response) in the Flip-Flops after capture cycle of scan synthesis, results in loss of coverage and/or pattern inflation when masking is used to block the Xs irrespective of the X-masking techniques used in scan compression. In this paper, we exploited this potential and propose a hybrid DFT (Design For Testability) architecture to achieve better compression and reduce patterns count. This is a mixture of an external scan chain and scan compression. A methodology has been put in place based on the potential of a capture-X value of occurring in Flip-Flips, to find out which Flip-Flops (scan cells) should be part of the internal scan channels (chains) between Decompressor and Compressor, and which Flip-Flops should be put outside the codec (Compressor-Decompressor) as an external scan chain. The results show the benefits of the hybrid architecture which is shown to bring significant improvement in pattern count.
      PubDate: 2018-04-01
      DOI: 10.1007/s10836-018-5717-x
      Issue No: Vol. 34, No. 2 (2018)
  • Measurement of Nonlinear Dielectric Behaviour of Semiconductor Material
           Under Microwave Field in Dual-Mode Rectangular Cavity
    • Authors: Yong Gao; En Li; Gaofeng Guo
      Pages: 203 - 207
      Abstract: In this letter, a microwave cavity for investigating the effect of external microwave fields on the dielectric behavior of semiconductor material is proposed. We use a dual-mode rectangular cavity where the stimulus and test signals are supplied by two different swept frequency microwave sources. By adjusting the power level of the stimulus signal, the intensity of microwave field in the cavity is changed. Two band-stop filters are introduced to isolate the signals coming from the stimulus signal. Measurement results show that the dielectric properties of indium phosphate manifest nonlinear behavior under the electronic field intensity of \(10^{5}\) V/m. From the experimental result and theoretical analysis, we conclude that the nonlinear behavior is caused by the material’s inherent characteristics.
      PubDate: 2018-04-01
      DOI: 10.1007/s10836-018-5718-9
      Issue No: Vol. 34, No. 2 (2018)
  • Thermal-aware SoC Test Scheduling with Voltage/Frequency Scaling and Test
    • Abstract: With increasing power density in modern integrated circuits, thermal issues are becoming a critical problem in System-on-a-Chip (SoC) testing. In this paper, we develop the thermal-aware test scheduling methods using Voltage/Frequency Scaling (VFS) and Test Partition (TP) to reduce the expensive Test Application Time (TAT). First, we develop a quick temperature estimation method in test scheduling to ensure the test temperature within the given range. Second, we propose a thermal-aware test scheduling method based on the mixed-integer linear programming model (MILP) (called STP-M) that applies VFS and TP to search the optimum scheduling and further reduce the TAT. Third, we develop a heuristic method based on Rectangular Strip Packing (called H-RSP) to quickly access the quasi-optimal scheduling. The experimental results on ITC’02 benchmarks showed that the STP-M obtains the most optimized result for every benchmark and saved 15.5% and 8.0% TAT on average compared with the existing works, while H-RSP takes less than 10 seconds to access the quasi-optimal scheduling that is close to that of STP-M.
      PubDate: 2018-06-06
      DOI: 10.1007/s10836-018-5733-x
  • Test and Reliability in Approximate Computing
    • Authors: Lorena Anghel; Mounir Benabdenbi; Alberto Bosio; Marcello Traiola; Elena Ioana Vatajelu
      Abstract: This paper presents an overview of test and reliability approaches for approximate computing architectures. We focus on how specific methods for test and reliability can be used to improve the characteristics of approximate computing in terms of power consumption, area, life expectancy and precision. This paper does not address specification and design of approximate hardware/software/algorithms, but provides an in-depth knowledge on how the reliability and test related techniques can be efficiently used to maximize the benefits of approximate computing.
      PubDate: 2018-05-31
      DOI: 10.1007/s10836-018-5734-9
  • Digital Predistortion for Spectrum Compliance in the Internet of Things
    • Authors: Siyuan Yan; Xiao Li; Changhong Jiang; Hui Li; Lingmei Wang; Fu Li
      Abstract: Many different wireless personal communication technologies including Bluetooth, ZigBee, Wi-Fi, even LTE-M, can connect Internet of Things (IoT) products, such as personal electronics or industrial machine sensors. However, the nonlinearity and linear distortion produced by RF power amplifiers (PAs) will degrade the quality of transmitted signals. In this article, based on an inverse autoregressive moving-average (IM-ARMA) model, we applied a method of digital predistortion (DPD) to linearize the RF PAs for several typical protocols in the IoT.
      PubDate: 2018-04-27
      DOI: 10.1007/s10836-018-5729-6
  • Security Enhancements of a Mutual Authentication Protocol Used in a HF
           Full-Fledged RFID Tag
    • Authors: Yassine Naija; Vincent Beroulle; Mohsen Machhout
      Abstract: Radio Frequency IDentification (RFID) is used in many applications such as access control, transport, ticketing and contactless payment. The full-fledged High Frequency (HF) tags are the most popular RFID tags for these applications that require relatively high cost security operations. However, these HF tags are threatened by many passive attacks such as eavesdropping, desynchronization and ElectroMagnetic (EM) Side Channel Attacks (SCA). In this article, we propose the implementation and the validation of a full-fledged HF tag architecture using an enhanced mutual authentication protocol. This is achieved using a FPGA platform. Security analysis against Electromagnetic Attack (EMA) and desynchronization attacks on the original protocol are presented. Then enhancements at the protocol level are proposed to overcome these attacks. The implementation of these security enhancements shows a low overhead (+22 LUTs) compared to previous existing security hardware solutions (+598 LUTs).
      PubDate: 2018-04-17
      DOI: 10.1007/s10836-018-5725-x
  • Gate Oxide Short Defect Model in FinFETs
    • Authors: Roya Dibaj; Dhamin Al-Khalili; Maitham Shams
      Abstract: FinFET technology is one of the most promising candidates in replacing planar MOSFET beyond the 22 nm technology node. However, the complexity of FinFET manufacturing process has caused challenges in reliable device testing. Gate oxide short (GOS) is one of the dominant defects that has significant impact on circuit reliability. In this paper, we present a GOS defect model for FinFETs by introducing the defect as a pinhole in the gate oxide of a triangular fin shape structure. The pinholes are represented by small cuboid cuts of various sizes on the fin top and sidewalls along the channel. The 3D Sentaurus TCAD simulation results in the development of an analytical GOS defect model that can be used in circuit-level fault modeling, which leads to generating more realistic test patterns.
      PubDate: 2018-04-14
      DOI: 10.1007/s10836-018-5727-8
  • Dynamic Analog/RF Alternate Test Strategies Based on On-chip Learning
    • Authors: Parth Kansara; Sharanabasavaraja Bheema Reddy; Louay Abdallah; Ke Huang
      Abstract: Analog/RF alternate test schemes have been extensively studied in the past decade with the goal of replacing time-consuming and expensive specification tests with low-cost alternate measurements. A common approach in analog/RF alternate test is to build non-linear regression models to map the specification tests to alternate measurements, or to learn a pass/fail separation boundary directly in the space of alternate measurements. Among various challenges that have been discussed in alternate test, the model stationarity is a major bottle-neck that prevents test engineers from deploying it in long-term applications. In this work, we show that alternate test strategies can be implemented on-chip using analog/RF Built-In Self-Test (BIST) circuitry. Moreover, model refinement and dynamic adaptation can be achieved based on an automatic on-chip learning structure. Effectiveness of the proposed approach is demonstrated using experimental results from an RF Low Noise Amplifier (LNA) and its BIST implementation.
      PubDate: 2018-04-12
      DOI: 10.1007/s10836-018-5724-y
  • Reliability Testing of 3D-Printed Electromechanical Scanning Devices
    • Authors: B. Mert Gönültaş; Janset Savaş; Ramin Khayatzadeh; Sacid Aygün; Fehmi Çivitci; Y. Dağhan Gökdel; M. Berke Yelten; Onur Ferhanoğlu
      Abstract: Recent advances in the field of stereolithography based manufacturing, have led to a number of 3D-printed sensor and actuator devices, as a cost-effective and low fabrication complexity alternative to micro-electro-mechanical counterparts. Yet the reliability of such 3D-printed dynamic structures have yet to be explored. Here we perform reliability tests and analysis of a selected 3D-printed actuator, namely an electromechanical scanner. The scanner is targeted towards scanning incoming light onto the target, which is particularly useful for barcoding, display, and opto-medical tissue imaging applications. We monitor the deviations in the fundamental mechanical resonance, scan-line, and the quality factor on a number of scanners having different device thicknesses, for a total duration of 5 days (corresponding to 20–80 million cycles, depending on the device operating frequency). A total of 9 scanning devices, having 10 mm × 10 mm die size were tested, with a highlight on device-device variability, as well as the effect of device thickness itself. An average standard deviation of < ~%10 (with respect to the mean) was observed for all tested parameters among scanners of the same type (an indicator device to device variability), while an average standard deviation of less than about 10 percent (with respect to the mean) was observed for all parameters for the duration of the entire test (as an indicator of device reliability), for a total optical scan angle of 5 degrees.
      PubDate: 2018-03-27
      DOI: 10.1007/s10836-018-5722-0
  • Practical Harmonic Cancellation Techniques for the On-Chip Implementation
           of Sinusoidal Signal Generators for Mixed-Signal BIST Applications
    • Authors: Hani Malloug; Manuel J. Barragan; Salvador Mir
      Abstract: Harmonic cancellation strategies have been recently presented as a promising solution for the efficient on-chip implementation of accurate sinusoidal signal generators. Classical harmonic cancellation techniques consist in combining a set of time-shifted and scaled versions of a periodical signal in such a way that some of the harmonic components of the resulting signal are cancelled. This signal manipulation strategy can be easily implemented using digital resources to provide a set of phase-shifted digital square-wave signals and a summing network for scaling and combining the phase-shifted square-waves. A critical aspect in the practical implementation of the harmonic cancellation technique is the stringent accuracy required for the scaling weight ratios between the different phase-shifted signals. Small variations between these weights due to mismatch and process variations will reduce the effectiveness of the technique and increase the magnitude of undesired harmonic components. In this work, different harmonic cancellation strategies are presented and analyzed with the goal of simplifying the practical on-chip implementation of the scaling weights. Statistical behavioral simulations are provided in order to demonstrate the feasibility of the proposed approach.
      PubDate: 2018-03-22
      DOI: 10.1007/s10836-018-5720-2
  • Golden-Free Processor Hardware Trojan Detection Using Bit Power
           Consistency Analysis
    • Authors: Yang Zhang; Houde Quan; Xiongwei Li; Kaiyan Chen
      Abstract: Processor is the core chip of modern information system, which is severely threatened by hardware Trojan. Side-channel analysis is the most promising method for hardware Trojan detection. However, most existing detection methods require golden chips as reference, which significantly increases the test cost and complexity. In this paper, we propose a golden-free detection method that exploits the bit power consistency of processor. For the data activated processor hardware Trojan, the power model of processor is modified. Two decomposition methods of power signal are proposed: the differential bit power consistency analysis and the contradictory equations solution. With the proposed method, each bit power can be calculated. The bit consistency based detection algorithms are proposed, the deviation boundaries are obtained by statistical analysis. Experimental measurements were done on field programmable gate array chip with open source 8051 core and hardware Trojans. The results showed that the differences between the two methods were very small. The data activated processor hardware Trojans were detected successfully.
      PubDate: 2018-03-17
      DOI: 10.1007/s10836-018-5715-z
  • A Time-Domain Digital-Intensive Built-In Tester for Analog Circuits
    • Authors: Congyin Shi; Sanghoon Lee; Sergio Soto Aguilar; Edgar Sánchez-Sinencio
      Abstract: To solve test challenges in nanometer CMOS technologies, a time-domain digital-intensive built-in tester for analog circuits is proposed. The compact tester allows characterizations of AC response and DC gain for various analog circuits which have a low-pass frequency characteristic. By applying ramp signals to stimulate the circuit under test and measuring slopes and time delays of its responses, the testing can be simple and robust over process-voltage-temperature variations. Also, it is well suited for nanometer technologies because of its digital-intensive implementation. The tester was fabricated in 65 nm standard CMOS process and occupies 0.026 mm2.
      PubDate: 2018-02-19
      DOI: 10.1007/s10836-018-5713-1
  • On-chip Generation of Sine-wave Summing Digital Signals: an Analytic Study
           Considering Implementation Constraints
    • Authors: Stephane David-Grignot; Achraf Lamlih; Mohamed Moez Belhaj; Vincent Kerzérho; Florence Azaïs; Fabien Soulier; Philippe Freitas; Tristan Rouyer; Sylvain Bonhommeau; Serge Bernard
      Abstract: In the context of biosensor as much as Built-In-Self Test (BIST), on-chip sine-wave signal generation is a recurring research topic. Considering the implementation constraints, it implies a trade-off between the amount of resources and the signal quality. An attractive solution consists in combining several digital signals to build this analog sine-wave. The objective of this paper is to give an analytic study of various potential digital-based solutions. Thanks to this study, we prove that the technique consisting in setting the phase shifts and various amplitude values of the square-wave signals is the most efficient approach. This study allows the selection of the optimal square-wave signal parameters to cancel low-order harmonics of the generated signal. We proposed a solution for specification-oriented definition of the architecture.
      PubDate: 2018-02-10
      DOI: 10.1007/s10836-018-5710-4
  • Measuring Group Delay of Frequency Downconverter Devices Using a Chirped
           RF Modulated Signal
    • Authors: Peter Sarson; Tomonori Yanagida; Kosuke Machida
      Abstract: This paper discusses the implementation possibilities for making Group Delay measurements of RF frequency converting devices using a standard RF semiconductor Automatic Test Equipment (ATE) that cannot be done using the standard S-parameter measurement due to the difference in frequency from the input to the output of the device. We discuss how using a chirp waveform modulating an RF generator can be used to sweep the frequency response of a RF frequency-converting device and how to produce such a modulation waveform in digital signal processing. We will describe how to implement a group delay test based on our previous work in the baseband domain and how to understand the errors pertaining to measuring a Radio Frequency Receiver. The measurement of the Group Delay of an RF front-end filter and post down convert IF filter will be demonstrated. We will also describe how to produce and maintain a stable frequency reference so that any down converted signal would be a true representation of the modulation signal applied to the RF Source and not corrupted by Phase Noise. We will show how to implement a group delay test based on our previous work in the baseband domain and how to understand the errors pertaining to measuring a radio frequency receiver. The measurement of the group delay of an RF mixer and pre and post down convert RF/IF filters will be demonstrated. The central goal of this paper is to demonstrate how a group delay test can be done at RF, with a frequency translating device, in a cheap and effective manner on semiconductor Automatic Test Equipment in a production environment.
      PubDate: 2018-02-10
      DOI: 10.1007/s10836-018-5708-y
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